2625663 has 8 divisors (see below), whose sum is σ = 3553408. Its totient is φ = 1724184.

The previous prime is 2625653. The next prime is 2625671. The reversal of 2625663 is 3665262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2625663 - 2¹⁰ = 2624639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2625663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6331 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (444176).

2^2625663 is an apocalyptic number.

2625663 is a deficient number, since it is larger than the sum of its proper divisors (927745).

2625663 is a wasteful number, since it uses less digits than its factorization.

2625663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133.

The product of its digits is 12960, while the sum is 30.

The square root of 2625663 is about 1620.3897679262. The cubic root of 2625663 is about 137.9578215984.

The spelling of 2625663 in words is "two million, six hundred twenty-five thousand, six hundred sixty-three".